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      1 /*	$NetBSD: compat_missing.c,v 1.2 2021/11/02 06:54:10 thorpej Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2020 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __RCSID("$NetBSD: compat_missing.c,v 1.2 2021/11/02 06:54:10 thorpej Exp $");
     34 
     35 /*
     36  * define symbols that autoconf is supposed to find
     37  * without including the standard headers
     38  */
     39 #define __LIBC12_SOURCE__
     40 #include <signal.h>
     41 
     42 __warn_references(sigaction,
     43     "warning: reference to compatibility sigaction(); include <signal.h> to generate correct reference")
     44 __warn_references(sigpending,
     45     "warning: reference to compatibility sigpending(); include <signal.h> to generate correct reference")
     46 __warn_references(sigprocmask,
     47     "warning: reference to compatibility sigprocmask(); include <signal.h> to generate correct reference")
     48 __warn_references(sigsuspend,
     49     "warning: reference to compatibility sigsuspend(); include <signal.h> to generate correct reference")
     50 
     51 int sigaction(int, const struct sigaction * restrict,
     52     struct sigaction * restrict);
     53 int __sigaction_siginfo(int, const struct sigaction * restrict,
     54     struct sigaction * restrict);
     55 
     56 int
     57 sigaction(int sig, const struct sigaction * restrict act,
     58     struct sigaction * restrict oact)
     59 {
     60 	return __sigaction_siginfo(sig, act, oact);
     61 }
     62 
     63 int sigpending(sigset_t *);
     64 int __sigpending14(sigset_t *);
     65 
     66 int
     67 sigpending(sigset_t *mask)
     68 {
     69 	return __sigpending14(mask);
     70 }
     71 
     72 int sigprocmask(int how, const sigset_t * restrict set,
     73     sigset_t * restrict oset);
     74 int __sigprocmask14(int how, const sigset_t * restrict set,
     75     sigset_t * restrict oset);
     76 
     77 int
     78 sigprocmask(int how, const sigset_t * restrict set, sigset_t * restrict oset)
     79 {
     80 	return __sigprocmask14(how, set, oset);
     81 }
     82 
     83 int sigsuspend(const sigset_t *);
     84 int __sigsuspend14(const sigset_t *);
     85 
     86 int
     87 sigsuspend(const sigset_t *mask)
     88 {
     89 	return __sigsuspend14(mask);
     90 }
     91